Bono, E. d. (1979). Future positive: A book for the energetic eighties. London: Penguin Books.
Chicago Stili AlıntıBono, Edward de. Future Positive: A Book for the Energetic Eighties. London: Penguin Books, 1979.
MLA AlıntıBono, Edward de. Future Positive: A Book for the Energetic Eighties. London: Penguin Books, 1979.
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